Siemens SINAMICS G220 - Page 690

Description of function
Safety control word 2 (S_STW2)
Failsafe control → Converter
Bit Safety Integrated
Function
Explanation
00 STO 1 Deselect STO
0 Select STO
01 SS1 1 Deselect SS1
0 Select SS1
02, 03 Reserved – –
04 SLS 1 Deselect SLS
0 Select SLS
05, 06 Reserved – –
07 Failsafe acknowl‐
edgment
0 -
1 → 0 Acknowledge "Internal event" for a 1→0 signal change
08 Reserved – –
09 SLS limit value bit
0
Select SLS limit val‐
ue
 Bit1 Bit0
SLS1
SLS2
SLS3
SLS4
0
0
1
1
0
1
0
1
10 SLS limit value bit
1
11 Reserved – –
12

SDI positive active 1 Deselect SDI with positive direction of rotation
0 Select SDI with positive direction of rotation
13

SDI negative active 1 Deselect SDI with negative direction of rotation
0 Select SDI with negative direction of rotation
14 Reserved – –
15 SSM 1 Deselect SSM
0 Select SSM
16 …
31
Reserved – –
Safety status word 2 (S_ZSW2)
Converter → Failsafe control
Bit Safety status Explanation
00 STO active 1 STO is active
0 STO is not active
01 SS1 active 1 SS1 is active
0 SS1 is not active
02, 03 Reserved – –
04 SLS active 1 SLS is active
0 SLS is not active
05, 06 Reserved – –
Functions
14.12Safety Integrated
SINAMICS G220 converter
688 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB